The half-life of u-235 an alpha emitter is 71x108yr
The half-life of U-235 , an alpha emitter, is 7.1x10^8yr. Calculate the number of alpha particles emitted by 5.1mg of this nuclide in 3.0 minute.
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if the energy strored in the fully charged battery is used to lift the battery with 100% efficiency, what height is attained. Assume that the acceleration due to gravity is 9.8 m/s^(2) and is constant with height.
Perform an analysis of the social / demographic, technological, economic, environmental / geographic, and political / legal / governmental segments to understand the general environment facing Great Lakes. Describe how Great Lakes will be affected
A loaded ore car has a mass of 950 kg and rolls on rails with negligible friction. It starts from rest and is pulled up a mine shaft by a cable connected to a winch, What maximum power must the motor provide
What is the best way to develop, introduce, regulate, provide access, and pay for new health technologies in the 21st century?
Calculate the final temperature of the solution, assuming the delta H reaction for HCl + NaOH = -56.2 kJ/mole and that the solution's specific heat is the same as water: 4.184 J/g Celsius.
Using PHStat construct the probability distribution for the value of a 2 card hand dealt from a standard deck 0f 52 cards (all the face cards have a value of 10 and the ace a value of 11). What is the proabolity of being dealt 21?
Determine whether the following signals are periodic. If they are, find the smallest periods (fundamental periods). a) f(x,y) = sin (2 pi x) cos(4 pi y) b) Discrete signal: f(m,n) = sin ( pi * m / 5) cos(pi * n / 5)
A 46.0-kg girl is standing on a 159-kg plank. Both originally at rest on a frozen lake that constitutes a frictionless, What is the velocity of the plank relative to the ice surface
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With reference to interviews with people involved in the riots, compare and contrast thematic analysis and narrative analysis
Hopefully, you enjoyed this class on Digital Media and Society. Question #1: Has your impression of digital media and society changed after taking this class?
The three (3) key concepts I learned and understood this week are Intercultural Adroitness, Cultural Intelligence and Intercultural Sensitivity.
This week's readings helped me better understand how communication works across cultures and why intercultural competence is important in diverse environments.
Subsequently, in "The Evolution of Depravity," Judson examines how the various histories of behavioral expressions and the consequences
Complete a write up, similar to the example below- The participants in this study were of multiple ethnic and religious backgrounds.
Problem 1: Suppose that you are going to conduct a research project about the problem of theft on campus.